SP339EER1-0A Datasheet, PDF (5/23 Pages) Exar Corporation – RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION

SP339E
REV. 1.0.4
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
SUGGESTED DB9 CONNECTOR PINOUT
DB9
Pin
1
2
3
4
5
6
7
8
9
RS-232
DCD
RXD
TXD
DTR
DSR
RTS
CTS
RI
RS-485/422
Full Duplex
TX-
TX+
RX+
RX-
Ground
RS-485
Half Duplex
Data-
Data+
5